Why People Can Always Tell When AI Wrote Your Text
Young adults are letting ChatGPT draft their texts and hard conversations. Here's why it's obvious and what actually works instead.
Mechanical Engineering is a field of engineering that focuses on the design, creation, analysis and maintenance of mechanical systems. This field of engineering applies physical principles to the design and manufacturing of various machines and components for use in industry, and the service and maintenance of existing machinery. From car engines, medical equipment and construction machinery to sophisticated aerospace components, Mechanical Engineers work with almost every aspect of today’s industrial world.
At Freelancer.com clients can hire a Mechanical Engineer to develop some of the most advanced engineering solutions. Unique applications of principles of mathematics, materials science and physics are used to examine how varying forces like gravity and friction affect different designs. Mechanical Engineers also work with computers to help them create precise drawings and simulations related to the product they’re creating or repairing.
Here's some projects that our expert Mechanical Engineer made real:
Projects related to Mechanical Engineering can range from complex construction or design-related tasks to more intricate analyses or simulations. With this flexibility, it's no wonder that clients continue to leverage the skill sets of Mechanical Engineers through Freelancer.com. With access to some of the most talented workers in this field clients can expect projects completed quickly, efficiently and within their budgets. So if you need a qualified Mechanical Engineer to help with your next project, why not post it on Freelancer.com today?
A partir das avaliações de 57,222, os clientes avaliam nosso Mechanical Engineers 4.9 de 5 estrelas.Mechanical Engineering is a field of engineering that focuses on the design, creation, analysis and maintenance of mechanical systems. This field of engineering applies physical principles to the design and manufacturing of various machines and components for use in industry, and the service and maintenance of existing machinery. From car engines, medical equipment and construction machinery to sophisticated aerospace components, Mechanical Engineers work with almost every aspect of today’s industrial world.
At Freelancer.com clients can hire a Mechanical Engineer to develop some of the most advanced engineering solutions. Unique applications of principles of mathematics, materials science and physics are used to examine how varying forces like gravity and friction affect different designs. Mechanical Engineers also work with computers to help them create precise drawings and simulations related to the product they’re creating or repairing.
Here's some projects that our expert Mechanical Engineer made real:
Projects related to Mechanical Engineering can range from complex construction or design-related tasks to more intricate analyses or simulations. With this flexibility, it's no wonder that clients continue to leverage the skill sets of Mechanical Engineers through Freelancer.com. With access to some of the most talented workers in this field clients can expect projects completed quickly, efficiently and within their budgets. So if you need a qualified Mechanical Engineer to help with your next project, why not post it on Freelancer.com today?
A partir das avaliações de 57,222, os clientes avaliam nosso Mechanical Engineers 4.9 de 5 estrelas.Project Specification We are a professional cybersecurity firm seeking an experienced black hat hacker to conduct an authorized DNS resilience and stress-testing engagement. Project Objective Assess the ability of our controlled DNS infrastructure to withstand high-volume NXDOMAIN traffic generated from up to 50 authorized test sources and identify weaknesses affecting DNS availability, performance, caching, rate limiting, monitoring, and incident response. Scope of Work The specialist will: * Design an authorized NXDOMAIN resilience-testing methodology. * Configure up to 50 controlled/authorized traffic-generation sources. * Generate progressively increasing NXDOMAIN workloads within agreed limits. * Measure DNS query throughput, latency, packet loss, CPU, memory and network utiliz...
TRUESEARCH IS HIRING | AERODYNAMICS EXPERT TrueSearch HR Services is hiring an experienced Aerodynamics Expert for one of our clients to contribute to an AI training and engineering project focused on computational fluid dynamics, aerodynamic analysis, engineering simulations, and Python. Role: Aerodynamics Expert Pay: $80–$130/hour Location: Global | Fully Remote Engagement: Contractor | ~15 hours/week Schedule: Flexible Start: Immediate What You’ll Work On: • Solve and validate aerodynamic and fluid-dynamics problems • Develop CFD models, computational domains, and meshes • Define boundary conditions, solver settings, and fluid properties • Run CFD workflows using CLI and programmatic tools • Use Python for automation, simulations, parameter sweeps...
I need three dynamic, stretchable shelving blocks made of metal. Requirements: - Material: Metal - Dimensions: Each block should be 1m x 0.6m - Finish: Powder-coated Ideal Skills and Experience: - Metalworking expertise - Experience with powder-coating finishes - Ability to create dynamic, adjustable structures
I need a SolidWorks specialist who can take my existing 3D model (or create one from supplied drawings if faster) and run a full structural study that captures the real-world dynamic behaviour. The component will be subjected to vibration, cyclic loads and short-term transient events, so the Simulation study has to go beyond a simple static check. Here’s what I’m expecting: • Clean, fully constrained CAD model in SolidWorks 2020 or later. • Dynamic study setup showing material properties, boundary conditions, mesh strategy and solver settings that suit vibration, cyclic and transient load cases. • Result set with stress, displacement and factor-of-safety plots for each load type, plus a brief comparison of critical regions across the three scenarios. &bull...
I need a specialized plumber's level that indicates pipe flow with precision. The tool should incorporate a digital display to show the pipe's level and angle. Essential Requirements: - Digital display for pipe level and angle - Water-resistant casing - Calibration feature Ideal Skills and Experience: - Experience with digital display integration - Knowledge of waterproof design - Calibration expertise
I'm seeking a Washington State Licensed Structural Engineer (SE) for a high-rise project. A Professional Engineer (PE) license is not required, but familiarity with local/state codes is essential. Key requirements: - Structural analysis - Design calculations - Compliance with local/state-specific codes Ideal skills and experience: - Expertise in high-rise structures - Strong knowledge of Washington State building regulations - Proven track record in similar projects Please provide relevant work experience and qualifications in your bids.
I have a Navisworks model exported from my customer’s Autodesk Forma account. Before we run the next round of clash detection, I need my complete electrical conduit layout inserted and coordinated inside that file. Scope • Insert and route all required conduit: rigid metal, flexible and PVC, following the paths I will supply in PDF mark-ups and redlines. • Maintain the model’s existing origin, layers and naming so the file drops straight back into their coordination set. • Return a clean NWD (or NWF with linked sources) ready for clash detection—no missing references, no proxy objects. I’ll give you: – The current Navisworks source file, mark-ups for each run, and any necessary spec sheets. – Turn-around expectations once you&r...
I need a complete electromechanical and IT-infrastructure design that can be certified as both Tier II and Tier III, with every subsystem clearly documented so the owner may choose the appropriate tier room by room. The scope spans power, cooling, fire protection, low-voltage cabling and network layouts, packaged as coordinated drawings, single-line diagrams, equipment schedules and a narrative that explains how each topology meets its respective uptime requirement. Power architecture must provide true N+1 redundancy—covering utility feeds, generators, UPS strings, switchgear, PDUs and branch distribution—while remaining scalable should we later migrate parts of the floorplate to 2N. Your documentation should reference Uptime Institute criteria, TIA-942, relevant IEC/NFPA code...
I need a skilled engineer to reverse engineer and replicate an alt-azimuth control system used in a astro observation.setup. Key requirements: - Detailed analysis to understand functionality - Precision in creating an exact replica - Experience with mechanical systems and consumer electronics Ideal skills: - Mechanical engineering - Experience with consumer electronic devices - Attention to detail and problem-solving skills Please provide examples of similar work done.
Busco un diseñador industrial que desarrolle un toldo vertical para uso comercial. El proyecto parte desde cero: necesito que transformes mi idea en un conjunto completo de planos y especificaciones listos para producción. Requisitos clave • Producto: toldo vertical enfocado al sector comercial. • Característica imprescindible: Resistencia a la intemperie; la solución debe soportar lluvia, radiación UV y ráfagas de viento moderadas sin comprometer funcionalidad ni estética. • Diseño: estructura, sistema de enrollado, anclajes y acabados exteriores. • Entregables: – Bocetos conceptuales validados conmigo. – Modelado 3D (SolidWorks, Inventor o similar). – Planos técnicos ...
I need a complete solar-PV system design tailored for an industrial-grade warehouse. The goal is to offset day-to-day operational loads reliably and cost-effectively, fully optimised for warehouse usage patterns rather than residential or data-centre demand curves. What I expect from you: • A sizing study that translates my warehouse’s energy profile into the required DC kWp and inverter AC output. • Layout drawings that place modules, inverters, combiner boxes and cable runs clearly on the roof plan. • Energy-yield and shading simulations (PVsyst or similar) that show monthly and annual production, losses and performance ratio. • A bill of materials with recommended module, inverter and mounting models, plus one or two viable alternates where you see fit....
Sheetmetal and diecasting die design need at least 10years of experience
Sheetmetal and diecasting die design need at least 10years of experience
I’m finishing up a build that will live almost exclusively off-road, clawing through deep mud and loose sand. The suspension is dialed in; now I need a specialist to zero-in on the tire and wheel package so the truck can float, grip, and clean out without shaking itself apart on the way to the trailhead. Please give me a complete specification that covers: • Optimal tire size, tread pattern, and ply rating for mud-and-sand duty on a dedicated off-road rig • Recommended wheel width, diameter, offset/backspacing, and whether beadlocks (or simulated beadlocks) are justified for my use case • Air-down guidelines and ideal PSI range to maximize footprint without risking debeading • Brand/model short-list with pros, cons, and current availability in my market ...
I need assistance with a civil court case related to mechanical negligence, specifically involving the failure of a clutch flywheel. Key details include: - Equipment failure is the primary issue. - Need to understand and present the conditions under which the failure occurred. Ideal skills and experience: - Legal expertise in civil court cases - Experience with mechanical negligence cases - Ability to analyze and present technical equipment failure conditions I'm looking for a freelancer who can help navigate the legal process and build a strong case.
FEA / CFD Engineer – 63m Aluminium Vessel We are looking for a freelance Naval Architect / Marine Engineer to assist with FEA and/or CFD for a 63m aluminium vessel being prepared for RINA class approval. FEA: • Simplified global FEA model based on our existing 3D structural model • Global strength, longitudinal and torsional analysis • Relevant load cases, stresses and deformations • Local FEA of engine foundations • Calculation report for RINA CFD: • Resistance calculations at 5, 10, 15, 20, 25 knots and maximum speed. The work can be split between specialists. If you only cover FEA or CFD, we are still interested. Would require to see examples of similar marine/aluminium vessel work, competitive pricing is important.
I need a complete CAD and CAM package for a set of mechanical seals that will be exposed to high temperatures, aggressive chemicals, and significant internal pressure. The job starts with translating my sketches and dimensional data into a fully-parametric 3D model, then moves straight into generating clean, collision-free toolpaths that are ready for CNC machining. Because these seals must handle heat, chemicals, and pressure simultaneously, the geometry, tolerances, and surface finishes are critical. I will share reference drawings, material specs, and performance targets as soon as we begin so you can model every groove, lip, and interference fit with confidence. I normally work in SolidWorks for design and either Mastercam or Fusion 360 for programming, but if you are more comfortable...
I need a designer to develop the structural design of a solar dryer. The structure should be made of metal, with a specific focus on using lightweight materials. Ideal Skills and Experience: - Experience with metal design and engineering - Knowledge of solar dryer systems - Ability to design lightweight yet durable structures - Proficiency in CAD software for structural design - Understanding of corrosion resistance properties in metal
My Samsung front-loader sits in the laundry room and its door seal finally gave out. I already have the genuine replacement door gasket and have removed the torn seal, and fitted the new one. However, I need the metal rings re-attached, and run a quick test cycle to confirm there are no leaks or vibration issues. Please bring the basic tools usually required for this type of job and any seal-safe lubricant you prefer. The washing machine is easily accessible with power and water shut-offs right beside it. If you’ve worked on Samsung or similar front-load washers before and can complete the swap efficiently, let’s set up a time that works for you.
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3D CAD Designer / Mechanical Product Modeler – Prototype Phase (Bone Conduction Device) I’m looking for an Australian‑based mechanical/CAD designer to create a prototype‑ready 3D model for a small wearable haptic device. I will provide AI renders, functional descriptions, and clear guidance on the geometry. The device uses a single‑pad bone‑conduction vibration interface, so the internal layout must support vibration transfer, not dampening. If you’ve worked on small electronics housings, wearables, haptics, or silicone‑interface products, this will be familiar. This project is prototype‑only (no manufacturing prep). You’ll be modelling a compact enclosure, motor cavity, silicone interface pad, and basic internal supports suitable for 3D printing and silicone cas...
I need a steel platform designed and engineered for industrial work use. The platform will be installed in a small area (less than 100 sq. ft.) and must support heavy loads (over 2000 lbs). I will attach preliminary concept drawings with dimensions. Requirements: - Must be robust enough for heavy-duty industrial work - Should fit within a small space, maximizing strength and stability - Design must comply with safety and structural regulations Ideal Skills and Experience: - Expertise in structural engineering - Experience with heavy load-bearing steel constructions - Familiarity with industrial safety standards
I already have complete architectural floor plans for a private villa. What I still need are fully coordinated Mechanical, Electrical, and Plumbing drawings that align with Australian Standards and can be handed straight to the local authorities and the contractor without further revisions. Scope of work • Reflected ceiling plans that show both the HVAC distribution and all lighting points. • Electrical layouts covering GPOs, power circuits, distribution boards, access points, lift supply, and all rooftop equipment. • Plumbing layouts for every wet area, including vertical stacks, the rooftop kitchen, and the pool plant. • Life-safety layouts—detectors, exit signs, and call points—fully integrated with the electrical set. • Rooftop services d...
I'm seeking a professional to design a gravity retaining wall using 8" modular block Keystone blocks. Key requirements include: - Design for 4 to 8 feet height - Use of modular block Keystone blocks - Structural integrity and safety compliance Ideal skills and experience: - Civil or structural engineering background - Experience with gravity wall design - Proficiency in using Keystone block systems Please share relevant portfolios and estimated timelines.
I am creating a 3D-printed mid-sole for a sandal where visual impact takes precedence over performance. The entire piece should read as an organic, fluid lattice—think flowing cellular structures or rippling coral rather than rigid geometric grids. I want the pattern itself to become the statement, so negative space, varied cell sizes and graceful curves are all welcome. Your task is to translate that vision into a production-ready digital model. You may work in Rhino + Grasshopper, Fusion 360, nTopology, or any other lattice-capable software you prefer, as long as the final output arrives as a clean, watertight STL (and, if possible, the native editable file). Please engineer the lattice so it remains printable on an SLS or MJF nylon printer without excessive support requirements; ...
I need a complete design for a compact conveyor—4,1 meter long x 500 mm —dedicated to material-handling work. The key requirement is that the system use an Intralox modular belt driven by an integrated drum motor. The position of the drum motor is still to be defined. ( Under the conveyor belt, or at the noze of the belt. Here’s what I expect: • 3-D model and detailed fabrication drawings (STEP/DWG) •• Bill of materials and maintenance notes I will give you the belt type that is to be approved, and the conveyor belt series, from the Intralox range, and the intralox drwings. I will also give you the motor drawings. I will review the design on fit, manufacturability, and conformance with Intralox guidelines before sign-off.
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structural engineering, simulation, detailing. I have plan and details
I need an expert in ANSYS for static structural analysis. The project involves modeling and analyzing structures under static loads. Key requirements: - Proficient in ANSYS software - Strong background in structural mechanics - Experience in static load analysis Ideal skills and experience: - Advanced modeling techniques in ANSYS - Ability to interpret and analyze simulation results - Knowledge of material properties and behavior under static loads Please provide a detailed approach and timeline with your bids.
The project is a compact, bipedal humanoid that will rely on a PA-CF 3D-printed chassis and 21 actuators. I need a complete mechanical design package created exclusively in Fusion 360, ready for immediate prototyping and eventual low-volume production. Scope of work – Model the entire skeleton, shell and joint architecture so every component is ready for direct PA-CF printing without post-machining. – Integrate 21 actuators (servo or BLDC) with realistic torque, weight and envelope constraints; include mounts, brackets, gear trains or harmonic drives where necessary. – Optimise wall thicknesses, ribs and lattice infill for strength-to-weight, thermal dissipation and print time. – Plan fasteners, cable routing and access points to keep the robot serviceable....
The project is a compact, bipedal humanoid that will rely on a PA-CF 3D-printed chassis and 21 actuators. I need a complete mechanical design package created exclusively in Fusion 360, ready for immediate prototyping and eventual low-volume production. Scope of work – Model the entire skeleton, shell and joint architecture so every component is ready for direct PA-CF printing without post-machining. – Integrate 21 actuators (servo or BLDC) with realistic torque, weight and envelope constraints; include mounts, brackets, gear trains or harmonic drives where necessary. – Optimise wall thicknesses, ribs and lattice infill for strength-to-weight, thermal dissipation and print time. – Plan fasteners, cable routing and access points to keep the robot serviceable....
I'm looking for a solar design engineer/PV engineer with a Bachelor’s degree in Electrical Engineering, Mechanical Engineering, Renewable Energy, or a related technical discipline (or equivalent practical experience).Experience: 2+ years of proven experience in residential, commercial, or utility-scale solar PV system Proficiency:Expertise in AutoCAD (2D drafting is required, 3D is a plus).Proficiency in solar design and simulation tools like HelioScope, PVsyst, Aurora Solar, or Knowledge: Strong understanding of electrical theory, PV system mechanics, structural load considerations, and NEC codes (specifically sections related to solar and storage).Certifications (Preferred but not required): NABCEP Certified PV Design Specialist or NABCEP PV Installation Professional. will b...
I’m developing a drone for an engineering project and need a skilled CAD specialist to turn my reference images and hand-drawn sketches into a fully detailed mechanical design. Your task is to model every component, assemble the parts so tolerances and clearances make sense, and create a short motion animation that shows the drone’s range of movement and an exploded view for presentation. You’ll receive the sketches and photos as soon as we start; they outline the overall frame, motor mounts, landing gear, and gimbal concept. From there, I’d like you to: • Build precise 3D geometry of each mechanical part • Produce a clean, constraint-driven assembly that fits together without interference • Generate an MP4 (or similar) animation that rotates th...
The job centres on a detailed PSS E model of a large-scale photovoltaic plant integrated with a pumped-hydro storage scheme and tied to the Australian National Electricity Market. I already have the basic single-line diagrams and key equipment data; what I need now is a full system study that treats the PV array and the hydro turbines as one coordinated asset. Primary objectives • Build and validate the composite model in PSS E, capturing inverter controls, governor/turbine dynamics, and all relevant protection schemes. • Run a stability suite that zooms in on frequency stability under typical contingency events (generator loss, network faults, large load steps). • Check NER compliance and document any clauses that require design adjustments. • Evaluate power q...
we are facing some problems with our autonomous mobile robot like slip. The task is to design suspension for our existing design I need: how suspension should be designed to overcome the problems
I have an early-stage product idea that now needs to move from sketch to a clean SolidWorks model suitable for a concept-level prototype. The priority is accurate form, overall proportions, and aesthetic detail rather than full engineering for production, so you can focus on capturing the look and basic spatial relationships while keeping the file lightweight and editable. I will supply rough drawings, reference photos, and key envelope dimensions as soon as we start. From there, I’d like you to build a well-structured feature tree in SolidWorks 2021 or later, name every feature clearly, and keep all dimensions fully defined. Once the main shape is approved, small tweaks and fillet passes may be required before sign-off. Deliverables: • Native SolidWorks (.sldprt / .sldasm) fi...
Our company needs the Electrical - Mechanical Engineer!!! >>>To show that you have carefully reviewed this job posting, please check my location (country) and state—at the very beginning of your proposal—the time calculated by subtracting one hour from my local time.>>> (Job Title) Electrical - mechanical Engineer for Medium-Voltage Line Sensor Prototype (Job Description) Important availability and engagement requirements: This is a fixed-price project only - no hourly billing and no upfront payment. Payment will be tied to agreed project milestones/deliverables. We need someone who can commit approximately 60 hours per week, work primarily in the US Pacific Time (PST/PDT) zone, and be available for real-time communication throughout the working day. We a...
I’m planning a full heating-and-cooling HVAC layout for a medium-sized medical/dental clinic with roughly 11-20 rooms. The design must address three distinct zones that carry stricter comfort, filtration, and pressurisation demands: operating rooms, patient rooms, and the main waiting area. Here’s what I need from you: • Complete load calculations and equipment sizing for every room, separated by the specialised zones above. • Schematic ductwork and piping drawings ready for my architect’s REVIT/AutoCAD workflow. • Ventilation, filtration, and pressure-control details that meet current healthcare guidelines (ASHRAE 170 or local equivalent). • A concise schedule of recommended equipment—air-handling units, terminal boxes, diffusers, cont...
Dear Sir or Madam, I am looking for an experienced mechanical design engineer or engineering company to develop a complete mechanical design of a new industrial product, a modular folding positioning arm. The product concept, preliminary architecture, material selection, engineering assumptions and product visualization have already been prepared. I am looking for an engineering partner who can take the project from the current concept stage to complete manufacturing documentation for the first physical prototype. Main design assumptions: two tubular arms connected by a mechanical articulated joint, interchangeable arm lengths: 250 / 400 / 500 / 600 / 750 / 1000 mm, maximum configuration approximately 2000 mm, arms: EN AW-6082 T6 aluminium tube, Ø60×5 mm, main joint compon...
Saya memiliki sejumlah soal ilmu pengetahuan pada bidang Fisika, tepatnya topik Mekanika, yang perlu diselesaikan dengan jelas dan cepat. Lingkup tugas: • Kerjakan seluruh pertanyaan yang saya berikan—semua berada dalam ranah Mekanika klasik (gaya, gerak, energi, momentum, dll.). • Sertakan langkah pengerjaan lengkap beserta penjelasan singkat di tiap tahap agar mudah saya ikuti. • Jawaban akhir harus dirangkum rapi, menggunakan satuan SI dan notasi ilmiah yang konsisten. Format penyerahan: PDF atau dokumen Word yang tertata, boleh dilengkapi gambar/sketsa jika membantu memperjelas konsep. Saya menghargai akurasi perhitungan, ketelitian penjabaran konsep, dan penyelesaian tepat waktu.
I have an existing surgical drill device captured only as a high-resolution STL mesh. I now need a clean, fully watertight solid model in STEP format so the part can move straight into CNC machining and other manufacturing workflows. The job calls for reverse-engineering the mesh into a parametric solid: surfaces must be healed, all voids closed, and critical geometric details preserved exactly as they appear in the STL. Wall thicknesses, hole diameters, and mating faces have to remain within typical medical-grade tolerances so that downstream suppliers can rely on the file without additional touch-ups. Preferred tools are SolidWorks, Siemens NX, Fusion 360, or comparable CAD software capable of producing STEP AP214/AP242 output; feel free to use mesh repair utilities like Geomagic o...
I need a complete CAD package for a standing-seam roll-forming machine. The 3D assembly must show every shaft, roller, gearbox, frame member and other moving component so that motion, clearances and maintenance access can be verified. Once the model is approved, translate it into 2D production drawings with fully dimensioned views ready for fabrication, all drafted to ISO standards for mechanical design and safety. I do not yet have fixed overall dimensions, so you will guide me on a practical industrial footprint that balances throughput with floor space. Material choices, standard part call-outs and bearing specifications should be included where relevant. Native SolidWorks files are welcome, and I will also need STEP and DWG exports. Deliverables: • Detailed 3D assembly of the co...
I need a complete CAD package for a standing-seam roll-forming machine. The 3D assembly must show every shaft, roller, gearbox, frame member and other moving component so that motion, clearances and maintenance access can be verified. Once the model is approved, translate it into 2D production drawings with fully dimensioned views ready for fabrication, all drafted to ISO standards for mechanical design and safety. I do not yet have fixed overall dimensions, so you will guide me on a practical industrial footprint that balances throughput with floor space. Material choices, standard part call-outs and bearing specifications should be included where relevant. Native SolidWorks files are welcome, and I will also need STEP and DWG exports. Deliverables: • Detailed 3D assembly of the co...
I need an experienced valve inspector to spend a single day at Franklin Valve, LP. (500 Northpark Central Drive, Suite 100, Houston, TX 77073) to verify a new 4-way valve before it ships. The primary task on site is a hands-on dimensional check; that is the most critical element of the visual inspection. No specialised measuring gear beyond standard visual aids is required—calipers, micrometers, borescopes, etc. are not part of the brief. While on site you will also confirm quantity and general workmanship, then review and stamp the documentation package: Hydrotest Report, Leakage Test Report, Functional Test Report, Material Test Certificate and ATEX Certificate. By close of the same day I expect: • A signed inspection report highlighting any dimensional non-conformiti...
I need a detailed material tracking system for our automobile parts manufacturing unit. The system should monitor: - Inventory levels - Material movement - Operator performance Data should be visualized in tabular reports. Ideal Skills and Experience: - Experience in developing material tracking systems - Proficiency in data visualization, especially tabular formats - Background in manufacturing, preferably in the automobile sector - Strong analytical skills to interpret and present data effectively
I have a set of mechanical drawings for a commercial HVAC system and I need an accurate material take-off. The focus is on all ductwork—main trunks, branches, fittings, dampers, insulation sheets—as well as the scheduled equipment. Pipe runs are not required this time. I will supply PDF plans (and DWGs if you prefer) along with any specification sheets already issued by the engineer. From those, I need a clear, itemised spreadsheet that lists: • duct sizes and total linear lengths • quantities of elbows, transitions, dampers and other fittings • equipment counts with model references, capacities and tag numbers Please break totals down per floor and note anything that looks unclear on the plans so I can resolve it quickly with the design team. I typically...
I need an aluminum adapter to connect a 1 3/4" thread to a 3/4" broom thread. The adapter should have a matte finish. Requirements: - Material: Aluminum - Finish: Matte - Size: 1 3/4" to 3/4" thread The one in the picture is what I need but the one end needs to fit over 1 3/4 pipe Ideal Skills and Experience: - Metalworking expertise, specifically with aluminum - Experience in creating custom threaded adapters - Ability to achieve a quality matte finish
The project is a compact, bipedal humanoid that will rely on a PA-CF 3D-printed chassis and 21 actuators. I need a complete mechanical design package created exclusively in Fusion 360, ready for immediate prototyping and eventual low-volume production. Scope of work – Model the entire skeleton, shell and joint architecture so every component is ready for direct PA-CF printing without post-machining. – Integrate 21 actuators (servo or BLDC) with realistic torque, weight and envelope constraints; include mounts, brackets, gear trains or harmonic drives where necessary. – Optimise wall thicknesses, ribs and lattice infill for strength-to-weight, thermal dissipation and print time. – Plan fasteners, cable routing and access points to keep the robot serviceable....
I’m developing a new food-processing machine and need an experienced mechanical product designer who can take it from concept sketches to a complete, production-ready CAD package. The core of the assignment is full mechanical design: modelling all components and assemblies, laying out the drive system, and making sure the entire line meets food-industry hygiene and safety requirements. You’ll translate my functional notes into detailed 3D geometry, refine the mechanism for manufacturability, and generate the fabrication drawings we can hand straight to the shop. I work in SolidWorks myself, so native files in that format would be ideal, but I’m open to Inventor or STEP if that suits your workflow better. Good practice in tolerancing, material selection and sealed-shaft d...
Dear Sir or Madam, Good day. I am a Customs empanelled Chartered Engineer based in Chennai, India, working in inspection, valuation and technical certification of plant, machinery and industrial equipment. We are currently expanding our capability for overseas load port inspection and pre shipment inspection work for shipments moving into India. We are looking to associate with qualified Chartered or Professional Engineers in your country, from Mechanical, Electrical and Electronics, or Electronics and Communication backgrounds, who can carry out local site inspection, load port inspection, technical assessment and valuation assignments on our behalf. The arrangement would be assignment based to begin with, with the intention of building a long term working relationship as a country repres...
Young adults are letting ChatGPT draft their texts and hard conversations. Here's why it's obvious and what actually works instead.
OpenAI's model broke its own security test and attacked Hugging Face. Here's why AI still can't test AI safely.
Huge opportunity for ongoing work from a massive new Freelancer project